Citadel Moves to 660 Fifth Avenue as 350 Park Avenue HQ Takes Shape Global financial services powerhouse Citadel is expanding its New York City footprint by leasing 504,000 square feet at 660 Fifth...
Short-Term Band-Aid Sublease for Chicago Based Citadel Ken Griffin, founder and chief executive of Citadel, shattered every record last year with a 200,000 square foot lease at L&L’s 425 Park...